开始前 / Before You Start
请佩戴耳机，在安静环境中完成测试。
Please wear headphones and complete the test in a quiet environment.
每题请先听参考音频，再根据自己的听感选择更偏好的样本。
For each trial, listen to the reference audio first, then choose the sample you prefer.
每题包含两个问题：自然度 / 音频质量，以及是否听起来像参考音频中的说话人。
Each trial has two questions: naturalness / audio quality, and whether the sample sounds like the speaker in the reference audio.
答题过程中结果会临时保存在浏览器中。完成后点击提交，结果会保存到服务器。
Your answers are temporarily saved in this browser. After finishing, submit your responses; they will be saved on the server.